US11050311B2 - Drive apparatus for sewing machines - Google Patents
Drive apparatus for sewing machines Download PDFInfo
- Publication number
- US11050311B2 US11050311B2 US16/142,489 US201816142489A US11050311B2 US 11050311 B2 US11050311 B2 US 11050311B2 US 201816142489 A US201816142489 A US 201816142489A US 11050311 B2 US11050311 B2 US 11050311B2
- Authority
- US
- United States
- Prior art keywords
- sleeve
- drive apparatus
- rotor
- housing
- free end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
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Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
- D05B69/12—Electrical or electromagnetic drives using rotary electric motors
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
- H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Definitions
- the present invention relates to sewing machines and more particularly to a drive apparatus for sewing machines.
- the drive apparatus includes a driving mechanism and a position sensor.
- the driving mechanism may comprise an electric motor with a housing, a stator, a rotor, a cover, a bearing and an encoder.
- An important issue to be addressed is how to correctly assemble a motor shaft of the motor and a sleeve in a forepart of the sewing machine.
- front and rear bearings are used to rotatably support the motor shaft, which is in turn connected to the sleeve by means of a coupler or the like.
- Such an assembly is complicated, time consuming and difficult to make. Further, the maintenance costs are high.
- the invention provides a drive apparatus for a sewing machine comprise a sleeve secured to an extension shaft of the sewing machine, and having an annular flange; a rotor disposed on the sleeve, and positioned against the flange; and a housing defining an inner space and a passage through which a free end of the sleeve extends; wherein a stator set is disposed in the inner space for cooperation with the rotor, and the rotor, sleeve and extension shaft are co-rotated.
- the first aspect of the present invention is a drive apparatus for use in a sewing machine, comprising:
- a sleeve secured to an extension shaft of the sewing machine having a free end and an annular flange adjacent to the free end;
- a housing having an inner space and a passage through which the free end of the sleeve extends
- stator set is disposed in the inner space of the housing for cooperation with the rotor, and wherein the rotor, the sleeve and the extension shaft are co-rotatable.
- the drive apparatus further comprises an annular support disposed in the inner space of the housing and configured to position the stator set, wherein the sleeve is arranged to extend through the annular support and the passage.
- the drive apparatus further comprises a sensor secured to the stator set, the sensor is configured to provide signals indicating a position of the rotor relative to the stator set.
- the stator set is positioned to surround the rotor.
- the drive apparatus further comprises a first fan and a guide member fastened to the housing, the guide member having an opening in communication with the inner space of the housing, wherein the first fan is disposed between the opening of the guide member and the sleeve.
- the guide member is a plate member.
- the drive apparatus further comprises a guide member fastened to one side of the housing, and a first fan at least partially disposed in a space defined by the guide member.
- the guide member comprises a plurality of inlets and an outlet in communication with said space, for providing a passageway for air produced by the first fan.
- the drive apparatus further comprises a wheel secured to the sleeve at said free end, the wheel arranged for manual rotation of the extension shaft.
- the drive apparatus further comprises a second fan connected to the sleeve for rotation.
- the drive apparatus further comprises a second fan secured to the wheel.
- the drive apparatus further comprises a hood fastened to the housing to cover the second fan.
- the hood includes a releasable sleeve end cover arranged to cover the free end of the sleeve.
- the hood comprises a hood opening adjacent to the free end of the sleeve, said drive apparatus further comprising a cylindrical adapter connected to the sleeve partly through the hood opening, the cylindrical adapter arranged to mount an attachment member to the sleeve.
- the senor is secured to the stator set for detecting rotation of magnetic poles of the rotor.
- the second aspect of the present invention is a method for use with a sewing machine, the sewing machine having an extension shaft, the method comprising:
- the sleeve secured to the extension shaft of the sewing machine, the sleeve having a free end and an annular flange adjacent to the free end;
- the housing having an inner space and a passage through which the free end of the sleeve extends;
- the method further comprises securing a guide member to the housing, the guide member having an opening; and providing a first fan between the opening of the guide member and the sleeve for cooling purposes.
- the method further comprises a guiding member comprises a plurality of inlets and an outlet in communication with said space, for providing a passageway for air produced by the first fan.
- the method further comprises securing a wheel on the free end of the sleeve, the wheel arranged for manual rotation of the extension shaft; and securing a second fan to the free end in relationship to the wheel for cooling purposes.
- the stator set is positioned to surround the rotor.
- FIG. 1 is a perspective view of a drive apparatus for a sewing machine according to an embodiment of the present invention
- FIG. 2 is an exploded view of FIG. 1 ;
- FIG. 3 is a longitudinal sectional view of the drive apparatus of FIG. 1 ;
- FIG. 4 is a perspective view corresponding to FIG. 1 showing the drive apparatus with an attachment member
- FIG. 5 is a perspective view of the assembled drive apparatus and attachment member
- FIG. 6 is a perspective view of a motor housing of the drive apparatus of FIG. 1 ;
- FIG. 7 is a perspective view of a drive apparatus for a sewing machine according to another embodiment of the present invention.
- FIG. 8 is an exploded view of FIG. 7 ;
- FIG. 9 is a longitudinal sectional view of the drive apparatus of FIG. 7 ;
- FIG. 10 is a perspective view corresponding to FIG. 7 showing the drive apparatus with an attachment member and an adapter;
- FIG. 11 is a perspective view of the assembled drive apparatus and attachment member.
- FIG. 12 is a perspective view of a motor housing of the drive apparatus of FIG. 7 .
- a drive apparatus 100 for a sewing machine is shown mounted to a body part of a sewing machine.
- the body part may be a forepart A 1 of the sewing machine.
- the forepart A 1 may include a cavity A 12 that is open at its lowermost side (or at the bottom, or base, of the forepart A 1 ) and an extension shaft A 11 projecting from the cavity A 12 .
- the drive apparatus 100 comprises a sleeve 10 secured to the extension shaft A 11 so as to be rotatable with the extension shaft A 11 .
- the drive apparatus 100 also comprises an annular flange 12 and a rotor 11 both provided on the sleeve 10 .
- the rotor 11 is positioned by abutting, or pressing, against the flange 12 .
- the drive apparatus 100 further comprises a motor assembly 20 comprising a housing 21 secured to the forepart A 1 .
- the housing 21 has an open end, a closed end and an inner space 201 between the open end and the closed end.
- the housing 21 also has an annular support 203 disposed in the inner space 201 at the closed end of the housing 21 .
- the annular support 203 defines a passage 202 in the closed end of the housing 21 through which the sleeve 10 extends.
- the drive apparatus 100 further comprises a guide member 22 fastened to the housing 21 between the inner space 201 and the forepart A 1 .
- the guide member 22 has an opening 221 in communication with the inner space 201 and the cavity A 12 .
- the guide member 22 is a thin plate member as shown in FIG. 2 .
- the motor assembly 20 further comprises a stator set 23 disposed in the inner space 201 .
- the stator set 23 is positioned by abutting, or pressing against, the annular support 203 .
- the sleeve 10 extends through the passage 202 in the closed end of the housing 21 , and the rotor 11 provided on the sleeve 10 is surrounded by the stator set 23 .
- the rotor 11 , the sleeve 10 and the extension shaft A 11 are co-rotatable.
- the drive apparatus 100 further comprises a first cooling fan 50 mounted on an inner end of the sleeve 10 and spaced from the rotor 11 .
- the first cooling fan 50 is disposed between the opening 221 and the sleeve 10 and is at least partly disposed within the cavity A 12 . As shown in FIG. 3 , the first cooling fan 50 may be partially disposed in the opening 221 and, optionally, also located in the inner space 201 .
- the drive apparatus 100 further comprises a wheel 40 and a second cooling fan 60 that is formed integrally with the wheel 40 .
- the wheel 40 is arranged for manual rotation of the extension shaft A 11 .
- the sleeve 10 also has a free end opposite to the inner end such that the rotor 11 is mounted between the free end and the inner end of the sleeve 10 .
- the wheel 40 is fastened on the free end of the sleeve 10 and is disposed outside of the housing 21 .
- the second cooling fan 60 and the wheel 40 may be separate parts that are assembled as a part of the drive apparatus 100 .
- the drive apparatus 100 further comprises an arcuate sensor 30 that is secured to the stator set 23 for sensing the relative positions of the rotor 11 and the north and south magnetic poles (N and S) of the rotor 11 .
- an arcuate sensor 30 that is secured to the stator set 23 for sensing the relative positions of the rotor 11 and the north and south magnetic poles (N and S) of the rotor 11 .
- an attachment member 200 may be selectively secured to the sleeve 10 outwardly of the wheel 40 such that the wheel is disposed between the attachment member and the housing 21 .
- a drive apparatus 100 A in accordance with a second embodiment is shown mounted to a body part of a sewing machine.
- the body part may be forepart A 2 of the sewing machine.
- the forepart A 2 includes an extension shaft A 21 projecting from a generally flat outer surface of the forepart A 2 or other body part of the sewing machine.
- the shaft A 21 may be surrounded by a boss, which may be integral with the outer surface of the body part.
- the drive apparatus 100 A comprises a sleeve 10 , an annular flange 12 and a rotor 11 .
- the sleeve 10 is secured to the extension shaft A 21 so as to be rotatable with the extension shaft.
- the annular flange 12 is provided on the sleeve 10 and a rotor 11 is positioned on the sleeve by pressing, or abutting, against the flange 12 .
- the drive apparatus 100 A further comprises a motor assembly 20 A comprising a housing 21 A secured to the forepart A 2 along with a guide member 24 A.
- the housing 21 A has a closed end, an open end and an inner space 201 A between the closed end and the open end.
- the housing 21 A also has an annular support 203 A disposed in the inner spaced 201 A at the closed end of housing 21 A.
- the annular support 203 A defines a passage 202 A in the closed end of the housing 21 A through which the sleeve 10 extends.
- the stator set 23 of the second embodiment is also disposed in the inner space 201 A.
- the rotor 11 , sleeve 10 and extension shaft A 21 are rotatable together.
- the sensor or a sensing assembly 30 is disposed in the inner space 201 A.
- the guide member 24 A is located between the housing 21 A and the forepart A 2 , and has an opening 241 A connecting to the inner space 201 A.
- the opening 241 A may connect with a plurality of inlets 242 A and an outlet 242 B.
- the inlets 242 A may be provided in the top or side(s) of the guide member 24 A.
- the outlet 242 B is defined by an opening at a lowermost side, or bottom, of the guide member 24 A.
- the first cooling fan 50 of the second embodiment is mounted on the inner end of the sleeve 10 generally adjacent the forepart A 2 in the same manner as in the first embodiment. Due to the flat outer surface of the forepart A 2 , the first cooling fan 50 in the second embodiment is at least partially received in the opening 241 A of the guide member 24 A. The inlets 242 A and the outlet 242 B, together with the opening 241 A and the first cooling fan 50 , are used for cooling purposes.
- the drive apparatus 100 A further comprises a second cooling fan 60 A mounted on the free end of the sleeve 10 outside of the housing and is covered by a hood 70 A.
- the second cooling fan 60 A has an inner end face that abuts, or is pressed against, the flange 12 to position the fan on the sleeve 10 .
- the hood 70 A is mounted on the housing 21 A and is provided with a releasable disc shaped member, or sleeve end cover 71 A.
- the sleeve end cover 71 A can be detached from the hood 70 A and replaced by a cylindrical adapter 80 A, which is adapted to mount, or connect, the attachment member 200 to the sleeve 10 , as shown in FIGS. 10 and 11 .
- the drive apparatus may have at least one of the following advantages and benefits.
- the rotor is mounted on the sleeve directly without a coupler, no bearing is provided between the rotor and the stator set.
- the sensor is provided in the motor housing and is adapted to sense the relative positions of the north and south magnetic poles of the rotor in cooperation with the stator set. Further, the sensing results are more precise so that correct operating parameters of the motor shaft can be obtained.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW107102727A TWI701367B (en) | 2018-01-25 | 2018-01-25 | Assembly structure of sewing machine driving motor |
TW107102727 | 2018-01-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20190229570A1 US20190229570A1 (en) | 2019-07-25 |
US11050311B2 true US11050311B2 (en) | 2021-06-29 |
Family
ID=63041820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/142,489 Active 2039-04-26 US11050311B2 (en) | 2018-01-25 | 2018-09-26 | Drive apparatus for sewing machines |
Country Status (3)
Country | Link |
---|---|
US (1) | US11050311B2 (en) |
EP (1) | EP3518396B1 (en) |
TW (1) | TWI701367B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD954113S1 (en) * | 2019-06-12 | 2022-06-07 | Santoni S.P.A. | Textile machine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWD192868S (en) * | 2018-01-25 | 2018-09-11 | 賀欣機械廠股份有限公司 | Support |
Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2149873A (en) * | 1934-12-11 | 1939-03-07 | Joffe | Power transmission device |
US3224543A (en) * | 1963-06-15 | 1965-12-21 | Pfaff Ag G M | Motor drive and coupling mechanism for sewing and the like machines |
US4429773A (en) * | 1980-07-31 | 1984-02-07 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic clutch and brake |
US4961016A (en) * | 1989-08-09 | 1990-10-02 | General Motors Corporation | Dual-face cooling fan for a dynamoelectric machine |
US20050035673A1 (en) * | 2003-07-10 | 2005-02-17 | Lafontaine Charles Y. | Compact high power alternator |
US7007618B1 (en) * | 2005-01-31 | 2006-03-07 | Yung-Ho Chiu | Motor system for sewing machine |
CN101359852A (en) | 2008-09-03 | 2009-02-04 | 浙江新杰克缝纫机股份有限公司 | Motor construction direct driving sewing machine |
CN101736539A (en) | 2009-12-03 | 2010-06-16 | 顾飞龙 | Assembly method of sewing machine reloading direct-drive motor |
CN201860197U (en) | 2010-11-12 | 2011-06-08 | 上海鲍麦克斯电子科技有限公司 | Bearingless motor for sewing device |
CN201933294U (en) | 2010-12-30 | 2011-08-17 | 中山百川汇盈精密实业有限公司 | Connecting structure of direct-driving motor and overlock machine |
CN103132257A (en) | 2011-11-23 | 2013-06-05 | 顾飞龙 | Heat dissipating method for sewing machine with direct-drive motor |
CN203883649U (en) | 2014-05-21 | 2014-10-15 | 台州市弘跃机电有限公司 | Mounting structure and special assembling tool for bearingless servo motor |
TWM491685U (en) | 2014-05-13 | 2014-12-11 | Hs Machinery Co Ltd | Motor bracket |
US20150340925A1 (en) * | 2014-05-22 | 2015-11-26 | Deleta Electronics, Inc. | Motor stator |
CN205356049U (en) | 2016-01-11 | 2016-06-29 | 傅东明 | Novel hemming machine directly drives motor |
CN105790462A (en) | 2014-12-25 | 2016-07-20 | 奇鋐科技股份有限公司 | Magnetic element structure of rotor and fan motor device |
CN105839309A (en) | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
TWM569770U (en) | 2018-01-25 | 2018-11-11 | 賀欣機械廠股份有限公司 | Driving device of sewing machine motor |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202026186U (en) * | 2011-05-09 | 2011-11-02 | 顾飞龙 | Direct-drive servo motor structure |
-
2018
- 2018-01-25 TW TW107102727A patent/TWI701367B/en active
- 2018-07-23 EP EP18185084.3A patent/EP3518396B1/en active Active
- 2018-09-26 US US16/142,489 patent/US11050311B2/en active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2149873A (en) * | 1934-12-11 | 1939-03-07 | Joffe | Power transmission device |
US3224543A (en) * | 1963-06-15 | 1965-12-21 | Pfaff Ag G M | Motor drive and coupling mechanism for sewing and the like machines |
US4429773A (en) * | 1980-07-31 | 1984-02-07 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic clutch and brake |
US4961016A (en) * | 1989-08-09 | 1990-10-02 | General Motors Corporation | Dual-face cooling fan for a dynamoelectric machine |
US20050035673A1 (en) * | 2003-07-10 | 2005-02-17 | Lafontaine Charles Y. | Compact high power alternator |
US7007618B1 (en) * | 2005-01-31 | 2006-03-07 | Yung-Ho Chiu | Motor system for sewing machine |
CN101359852A (en) | 2008-09-03 | 2009-02-04 | 浙江新杰克缝纫机股份有限公司 | Motor construction direct driving sewing machine |
CN101736539A (en) | 2009-12-03 | 2010-06-16 | 顾飞龙 | Assembly method of sewing machine reloading direct-drive motor |
CN201860197U (en) | 2010-11-12 | 2011-06-08 | 上海鲍麦克斯电子科技有限公司 | Bearingless motor for sewing device |
CN201933294U (en) | 2010-12-30 | 2011-08-17 | 中山百川汇盈精密实业有限公司 | Connecting structure of direct-driving motor and overlock machine |
CN103132257A (en) | 2011-11-23 | 2013-06-05 | 顾飞龙 | Heat dissipating method for sewing machine with direct-drive motor |
TWM491685U (en) | 2014-05-13 | 2014-12-11 | Hs Machinery Co Ltd | Motor bracket |
CN203883649U (en) | 2014-05-21 | 2014-10-15 | 台州市弘跃机电有限公司 | Mounting structure and special assembling tool for bearingless servo motor |
US20150340925A1 (en) * | 2014-05-22 | 2015-11-26 | Deleta Electronics, Inc. | Motor stator |
CN105790462A (en) | 2014-12-25 | 2016-07-20 | 奇鋐科技股份有限公司 | Magnetic element structure of rotor and fan motor device |
CN205356049U (en) | 2016-01-11 | 2016-06-29 | 傅东明 | Novel hemming machine directly drives motor |
CN105839309A (en) | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
TWM569770U (en) | 2018-01-25 | 2018-11-11 | 賀欣機械廠股份有限公司 | Driving device of sewing machine motor |
Non-Patent Citations (2)
Title |
---|
Chinese Office Action issued in Application No. 201810083031.6, dated Oct. 10, 2020 (3 pages). |
Taiwan Patent Gazette issued in Application No. 107102727, dated Aug. 11, 2020 (11 pages). |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD954113S1 (en) * | 2019-06-12 | 2022-06-07 | Santoni S.P.A. | Textile machine |
Also Published As
Publication number | Publication date |
---|---|
TW201932666A (en) | 2019-08-16 |
US20190229570A1 (en) | 2019-07-25 |
EP3518396B1 (en) | 2024-04-17 |
EP3518396C0 (en) | 2024-04-17 |
EP3518396A1 (en) | 2019-07-31 |
TWI701367B (en) | 2020-08-11 |
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